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Gimp/modules/color-selector-cmyk.c
Alx Sa 26fe9713e1 modules: Remove last usage of GimpCMYK 
It had actually been made unnecessary by 1c81c426.
This will allow for the full removal of GimpCMYK from
the codebase as part of the color space invasion.
2024-06-21 12:44:08 +00:00

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/* GIMP CMYK ColorSelector using littleCMS
* Copyright (C) 2006 Sven Neumann <sven@gimp.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpcolor/gimpcolor.h"
#include "libgimpconfig/gimpconfig.h"
#include "libgimpmodule/gimpmodule.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "libgimp/libgimp-intl.h"
/* definitions and variables */
#define COLORSEL_TYPE_CMYK (colorsel_cmyk_get_type ())
#define COLORSEL_CMYK(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), COLORSEL_TYPE_CMYK, ColorselCmyk))
#define COLORSEL_CMYK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), COLORSEL_TYPE_CMYK, ColorselCmykClass))
#define COLORSEL_IS_CMYK(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), COLORSEL_TYPE_CMYK))
#define COLORSEL_IS_CMYK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), COLORSEL_TYPE_CMYK))
typedef struct _ColorselCmyk ColorselCmyk;
typedef struct _ColorselCmykClass ColorselCmykClass;
struct _ColorselCmyk
{
GimpColorSelector parent_instance;
GimpColorConfig *config;
GimpColorProfile *simulation_profile;
GimpColorRenderingIntent simulation_intent;
gboolean simulation_bpc;
GtkWidget *scales[4];
GtkWidget *name_label;
gboolean in_destruction;
};
struct _ColorselCmykClass
{
GimpColorSelectorClass parent_class;
};
GType colorsel_cmyk_get_type (void);
static void colorsel_cmyk_dispose (GObject *object);
static void colorsel_cmyk_set_color (GimpColorSelector *selector,
GeglColor *color);
static void colorsel_cmyk_set_config (GimpColorSelector *selector,
GimpColorConfig *config);
static void colorsel_cmyk_set_simulation (GimpColorSelector *selector,
GimpColorProfile *profile,
GimpColorRenderingIntent intent,
gboolean bpc);
static void colorsel_cmyk_scale_update (GimpLabelSpin *scale,
ColorselCmyk *module);
static void colorsel_cmyk_config_changed (ColorselCmyk *module);
static const GimpModuleInfo colorsel_cmyk_info =
{
GIMP_MODULE_ABI_VERSION,
N_("CMYK color selector (using color profile)"),
"Sven Neumann <sven@gimp.org>",
"v0.1",
"(c) 2006, released under the GPL",
"September 2006"
};
G_DEFINE_DYNAMIC_TYPE (ColorselCmyk, colorsel_cmyk,
GIMP_TYPE_COLOR_SELECTOR)
G_MODULE_EXPORT const GimpModuleInfo *
gimp_module_query (GTypeModule *module)
{
return &colorsel_cmyk_info;
}
G_MODULE_EXPORT gboolean
gimp_module_register (GTypeModule *module)
{
colorsel_cmyk_register_type (module);
return TRUE;
}
static void
colorsel_cmyk_class_init (ColorselCmykClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpColorSelectorClass *selector_class = GIMP_COLOR_SELECTOR_CLASS (klass);
object_class->dispose = colorsel_cmyk_dispose;
selector_class->name = _("CMYK");
selector_class->help_id = "gimp-colorselector-cmyk";
selector_class->icon_name = GIMP_ICON_COLOR_SELECTOR_CMYK;
selector_class->set_color = colorsel_cmyk_set_color;
selector_class->set_config = colorsel_cmyk_set_config;
selector_class->set_simulation = colorsel_cmyk_set_simulation;
gtk_widget_class_set_css_name (GTK_WIDGET_CLASS (klass), "ColorselCmyk");
}
static void
colorsel_cmyk_class_finalize (ColorselCmykClass *klass)
{
}
static void
colorsel_cmyk_init (ColorselCmyk *module)
{
GtkWidget *grid;
gint i;
static const gchar * const cmyk_labels[] =
{
/* Cyan */
N_("_C"),
/* Magenta */
N_("_M"),
/* Yellow */
N_("_Y"),
/* Key (Black) */
N_("_K")
};
static const gchar * const cmyk_tips[] =
{
N_("Cyan"),
N_("Magenta"),
N_("Yellow"),
N_("Black")
};
module->config = NULL;
gtk_box_set_spacing (GTK_BOX (module), 6);
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 1);
gtk_grid_set_column_spacing (GTK_GRID (grid), 2);
gtk_box_pack_start (GTK_BOX (module), grid, FALSE, FALSE, 0);
gtk_widget_show (grid);
for (i = 0; i < 4; i++)
{
module->scales[i] = gimp_scale_entry_new (gettext (cmyk_labels[i]),
0.0, 0.0, 100.0, 0);
gimp_help_set_help_data (module->scales[i], gettext (cmyk_tips[i]), NULL);
g_signal_connect (module->scales[i], "value-changed",
G_CALLBACK (colorsel_cmyk_scale_update),
module);
gtk_grid_attach (GTK_GRID (grid), module->scales[i], 1, i, 3, 1);
gtk_widget_show (module->scales[i]);
}
module->name_label = gtk_label_new (NULL);
gtk_label_set_xalign (GTK_LABEL (module->name_label), 0.0);
gtk_label_set_ellipsize (GTK_LABEL (module->name_label), PANGO_ELLIPSIZE_END);
gimp_label_set_attributes (GTK_LABEL (module->name_label),
PANGO_ATTR_SCALE, PANGO_SCALE_SMALL,
-1);
gtk_box_pack_start (GTK_BOX (module), module->name_label, FALSE, FALSE, 0);
gtk_widget_show (module->name_label);
}
static void
colorsel_cmyk_dispose (GObject *object)
{
ColorselCmyk *module = COLORSEL_CMYK (object);
module->in_destruction = TRUE;
colorsel_cmyk_set_config (GIMP_COLOR_SELECTOR (object), NULL);
g_clear_object (&module->simulation_profile);
G_OBJECT_CLASS (colorsel_cmyk_parent_class)->dispose (object);
}
static void
colorsel_cmyk_set_color (GimpColorSelector *selector,
GeglColor *color)
{
GimpColorProfile *cmyk_profile = NULL;
GimpColorRenderingIntent intent = GIMP_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC;
const Babl *space = NULL;
ColorselCmyk *module = COLORSEL_CMYK (selector);
gfloat cmyk[4];
/* Try Image Soft-proofing profile first, then default CMYK profile */
if (module->simulation_profile)
cmyk_profile = module->simulation_profile;
if (! cmyk_profile && GIMP_IS_COLOR_CONFIG (module->config))
cmyk_profile = gimp_color_config_get_cmyk_color_profile (GIMP_COLOR_CONFIG (module->config),
NULL);
if (cmyk_profile && gimp_color_profile_is_cmyk (cmyk_profile))
{
intent = module->simulation_intent;
space = gimp_color_profile_get_space (cmyk_profile, intent,
NULL);
}
gegl_color_get_pixel (color, babl_format_with_space ("CMYK float", space), cmyk);
for (gint i = 0; i < 4; i++)
{
g_signal_handlers_block_by_func (module->scales[i],
colorsel_cmyk_scale_update,
module);
cmyk[i] *= 100.0;
gimp_label_spin_set_value (GIMP_LABEL_SPIN (module->scales[i]), cmyk[i]);
g_signal_handlers_unblock_by_func (module->scales[i],
colorsel_cmyk_scale_update,
module);
}
if (cmyk_profile && ! module->simulation_profile)
g_object_unref (cmyk_profile);
}
static void
colorsel_cmyk_set_config (GimpColorSelector *selector,
GimpColorConfig *config)
{
ColorselCmyk *module = COLORSEL_CMYK (selector);
if (config != module->config)
{
if (module->config)
g_signal_handlers_disconnect_by_func (module->config,
colorsel_cmyk_config_changed,
module);
g_set_object (&module->config, config);
if (module->config)
g_signal_connect_swapped (module->config, "notify",
G_CALLBACK (colorsel_cmyk_config_changed),
module);
colorsel_cmyk_config_changed (module);
}
}
static void
colorsel_cmyk_set_simulation (GimpColorSelector *selector,
GimpColorProfile *profile,
GimpColorRenderingIntent intent,
gboolean bpc)
{
ColorselCmyk *module = COLORSEL_CMYK (selector);
GimpColorProfile *cmyk_profile = NULL;
gchar *text;
gtk_label_set_text (GTK_LABEL (module->name_label), _("Profile: (none)"));
gimp_help_set_help_data (module->name_label, NULL, NULL);
g_set_object (&module->simulation_profile, profile);
cmyk_profile = module->simulation_profile;
if (! cmyk_profile && GIMP_IS_COLOR_CONFIG (module->config))
cmyk_profile = gimp_color_config_get_cmyk_color_profile (GIMP_COLOR_CONFIG (module->config),
NULL);
if (cmyk_profile && gimp_color_profile_is_cmyk (cmyk_profile))
{
text = g_strdup_printf (_("Profile: %s"),
gimp_color_profile_get_label (cmyk_profile));
gtk_label_set_text (GTK_LABEL (module->name_label), text);
g_free (text);
gimp_help_set_help_data (module->name_label,
gimp_color_profile_get_summary (cmyk_profile),
NULL);
}
module->simulation_intent = intent;
module->simulation_bpc = bpc;
if (! module->in_destruction)
{
GeglColor *color = gimp_color_selector_get_color (selector);
colorsel_cmyk_set_color (selector, color);
g_object_unref (color);
}
}
static void
colorsel_cmyk_scale_update (GimpLabelSpin *scale,
ColorselCmyk *module)
{
GimpColorProfile *cmyk_profile = NULL;
GimpColorSelector *selector = GIMP_COLOR_SELECTOR (module);
GimpColorRenderingIntent intent = GIMP_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC;
const Babl *space = NULL;
GeglColor *color = gegl_color_new (NULL);
gfloat cmyk_values[4];
for (gint i = 0; i < 4; i++)
cmyk_values[i] = gimp_label_spin_get_value (GIMP_LABEL_SPIN (module->scales[i])) / 100.0;
if (module->simulation_profile)
cmyk_profile = module->simulation_profile;
if (! cmyk_profile && GIMP_IS_COLOR_CONFIG (module->config))
cmyk_profile = gimp_color_config_get_cmyk_color_profile (GIMP_COLOR_CONFIG (module->config),
NULL);
if (cmyk_profile)
{
intent = module->simulation_intent;
space = gimp_color_profile_get_space (cmyk_profile, intent, NULL);
}
gegl_color_set_pixel (color, babl_format_with_space ("CMYK float", space), cmyk_values);
gimp_color_selector_set_color (selector, color);
g_object_unref (color);
if (cmyk_profile && ! module->simulation_profile)
g_object_unref (cmyk_profile);
}
static void
colorsel_cmyk_config_changed (ColorselCmyk *module)
{
GimpColorSelector *selector = GIMP_COLOR_SELECTOR (module);
GimpColorConfig *config = module->config;
GimpColorProfile *rgb_profile = NULL;
GimpColorProfile *cmyk_profile = NULL;
gchar *text;
gtk_label_set_text (GTK_LABEL (module->name_label), _("Profile: (none)"));
gimp_help_set_help_data (module->name_label, NULL, NULL);
if (! config)
goto out;
if (module->simulation_profile)
cmyk_profile = module->simulation_profile;
if (! cmyk_profile && GIMP_IS_COLOR_CONFIG (module->config))
cmyk_profile = gimp_color_config_get_cmyk_color_profile (GIMP_COLOR_CONFIG (module->config),
NULL);
if (! cmyk_profile)
goto out;
rgb_profile = gimp_color_profile_new_rgb_srgb ();
text = g_strdup_printf (_("Profile: %s"),
gimp_color_profile_get_label (cmyk_profile));
gtk_label_set_text (GTK_LABEL (module->name_label), text);
g_free (text);
gimp_help_set_help_data (module->name_label,
gimp_color_profile_get_summary (cmyk_profile),
NULL);
out:
if (rgb_profile)
g_object_unref (rgb_profile);
if (cmyk_profile && ! module->simulation_profile)
g_object_unref (cmyk_profile);
if (! module->in_destruction)
{
GeglColor *color = gimp_color_selector_get_color (selector);
colorsel_cmyk_set_color (selector, color);
g_object_unref (color);
}
}
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